#VU36188 Resource exhaustion in Bento4 - CVE-2019-6966

Vulnerability identifier: #VU36188

Vulnerability risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-6966

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Bento4
Universal components / Libraries / Libraries used by multiple products

Vendor: axiomatic-systems

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

An issue was discovered in Bento4 1.5.1-628. The AP4_ElstAtom class in Core/Ap4ElstAtom.cpp has an attempted excessive memory allocation related to AP4_Array<AP4_ElstEntry>::EnsureCapacity in Core/Ap4Array.h, as demonstrated by mp42hls.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Bento4: 1.5.1-628

---

External links
https://github.com/axiomatic-systems/Bento4/issues/361

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.